Home / 80,416.96-120,590.24-32,999.52

Finding the Fourth Proportional to 80,416.96, 120,590.24 and 32,999.52

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Solution

The fourth proportional to 80,416.96, 120,590.24 and 32,999.52 is: 49,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,416.96 : 120,590.24 = 32,999.52 : x
  2. Step 2: Convert to fraction form
    80,416.96/120,590.24 = 32,999.52/x
  3. Step 3: Cross multiply
    80,416.96x = 120,590.24 × 32,999.52
  4. Step 4: Simplify right side
    80,416.96x = 3,979,420,036.68
  5. Step 5: Solve for x
    x = 3,979,420,036.68/80,416.96
  6. Step 6: Final answer
    x = 49,484.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.